Horizontal centrifuge



HORIZONTAL CENTRIFUGE Filed NOV. 22, 1952 Patented JuneZ., 1936 I v l YUNITED STATES PATENT vOFFICE HORIZONTAL CENTRIFUGE Pieter van Riel,Delft, Netherlands, assignor to Naamlooze Vennootschap MachinefabriekReineveld, Delft, Netherlands, a manufacturing company of theNetherlands Application November 22, 1932, Serial No. 643,945

In tho Netherlands November 26, 1931 2 Claims. (Cl. 233-23) A horizontalcentrifuge comprises a basket, As shown, the presence of the recessedbottom the bottom of which i's secured to the horizontal portion 2 doesnot interfere with the provision shaft. Inordinary constructions of thistype. the of the usual supply pipe 'l and of a scraper 9, shaft issupported by two bearings on either side which is adapted to bereciprocated by means 5 of the basket so as to be liable to bend or ilexof an operating screw 8 provided with a chute 5 under the vaction of theweight of the basket. l0 for guiding the material, scraped off from theMoreover, the shaft of such a centrifuge has inner wall of the basket,into a discharge no freedom of translatory movement in addinozzle Il. ltion to its rotation (as is the case with vertical y What I claim is:

centrifuges having the' basket suspended from 1. In a horizontalcentrifuge, a basket hav- 1 0 its spindle), so that it is veryunfavourably loading a horizontal axis andhaving a recessed pored.especially if the charge is not exactly baltion in one wall closedagainst the interior of the anced. 3 basket, a power shaft passing intoand through My present invention, which more especially said recess toprovide the axis of the basket, an

relates to a horizontal centrifuge'having its electromotor of which'saidpower shaft isthe 15 basket directly driven by an electromotor, hasvamature shaft, said motor having a casing infor its'objeet to avoid theaforesaid drawbacks. cluding 'a conical en'd shield projecting into saidIn accordance with my invention, one end shield recessed portion, and abearing for the shaft of the motor is substantially conical, projectssupported by and within said shield, theceiiter into a recessed portionof the bottom of the of gravity of the basket under all conditions 20basket, and supports a bearing for the motor and being within saidbearing. basket shaft in Such a manner that 'the centre 2. In ahorizontal centrifuge, a basket havof gravity of the basket is locatedwithin said ing a horizontal axis and having a recessed porbearing. Withthis construction the shaft is tion in one vertical wall thereof closedagainst prevented fIOm fleXiIlg. Provided that the harge the interior ofthe basket, a rigid frame, a motor 25 in the basket is not too unequallydistributed. having a casing rigidly secured and fixed with In Orderthat my inYeDtiOn 'may be 1110?@ respect to said frame, said casingbeing extended readily undel'StOOd, I Shall 110W Dmceed t0 d e toprovide a conical portion projecting into but Scribe the Same withreference to the annexed free of contact with the recessed portion ofthe drawing, which illustrates. by way of example. basket, the armatureshaft ofthe motor being 30 .ggtyegbmtselgof partly in elevatoriextendedthrough said conical end shield and The met of the centrifuge 1sdesignated by imieivl xcdplep l. The bottom thereof has a Ideep recess 2protias ti f ,yn b f th arm'a as vided with a hub member, to which thehori- 0n and n al. c 9 eamg or .e

ture shaft carried by said conical end shield, the

' ur Said shaft is su am lsi'maftrllei: bseiindt carried by a brackletarrangement 0f the. Darts being Such that the formed by a more or lessironically shaped end center of gravity of the basket is within saidantishield 5 of the electromotor C. Said. bearing l friction bearingunder vallconditions of opera- 40 projects so far into the recess 2,that the centre tion. 40

t of gravity Z of the basket is located centrally VVAN RIEL.

therein.

